ItemList: expose methods, in-editor items editing support

4 files changed, 118 insertions, 0 deletions

diff --git a/editor/plugins/item_list_editor_plugin.cpp b/editor/plugins/item_list_editor_plugin.cpp
index 7f56286f08..f567abc5b1 100644
--- a/editor/plugins/item_list_editor_plugin.cpp
+++ b/editor/plugins/item_list_editor_plugin.cpp
@@ -193,6 +193,45 @@ ItemListPopupMenuPlugin::ItemListPopupMenuPlugin() {
 }
 
 ///////////////////////////////////////////////////////////////
+
+void ItemListItemListPlugin::set_object(Object *p_object) {
+
+	pp = p_object->cast_to<ItemList>();
+}
+
+bool ItemListItemListPlugin::handles(Object *p_object) const {
+
+	return p_object->is_class("ItemList");
+}
+
+int ItemListItemListPlugin::get_flags() const {
+
+	return FLAG_ICON | FLAG_ENABLE;
+}
+
+void ItemListItemListPlugin::add_item() {
+
+	pp->add_item(vformat(TTR("Item %d"), pp->get_item_count()));
+	_change_notify();
+}
+
+int ItemListItemListPlugin::get_item_count() const {
+
+	return pp->get_item_count();
+}
+
+void ItemListItemListPlugin::erase(int p_idx) {
+
+	pp->remove_item(p_idx);
+	_change_notify();
+}
+
+ItemListItemListPlugin::ItemListItemListPlugin() {
+
+	pp = NULL;
+}
+
+///////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////
 
@@ -373,6 +412,7 @@ ItemListEditorPlugin::ItemListEditorPlugin(EditorNode *p_node) {
 	item_list_editor->hide();
 	item_list_editor->add_plugin(memnew(ItemListOptionButtonPlugin));
 	item_list_editor->add_plugin(memnew(ItemListPopupMenuPlugin));
+	item_list_editor->add_plugin(memnew(ItemListItemListPlugin));
 }
 
 ItemListEditorPlugin::~ItemListEditorPlugin() {
diff --git a/editor/plugins/item_list_editor_plugin.h b/editor/plugins/item_list_editor_plugin.h
index 042e88839f..4fed8e49f5 100644
--- a/editor/plugins/item_list_editor_plugin.h
+++ b/editor/plugins/item_list_editor_plugin.h
@@ -167,6 +167,35 @@ public:
 
 ///////////////////////////////////////////////////////////////
 
+class ItemListItemListPlugin : public ItemListPlugin {
+
+	GDCLASS(ItemListItemListPlugin, ItemListPlugin);
+
+	ItemList *pp;
+
+public:
+	virtual void set_object(Object *p_object);
+	virtual bool handles(Object *p_object) const;
+	virtual int get_flags() const;
+
+	virtual void set_item_text(int p_idx, const String &p_text) { pp->set_item_text(p_idx, p_text); }
+	virtual String get_item_text(int p_idx) const { return pp->get_item_text(p_idx); }
+
+	virtual void set_item_icon(int p_idx, const Ref<Texture> &p_tex) { pp->set_item_icon(p_idx, p_tex); }
+	virtual Ref<Texture> get_item_icon(int p_idx) const { return pp->get_item_icon(p_idx); }
+
+	virtual void set_item_enabled(int p_idx, int p_enabled) { pp->set_item_disabled(p_idx, !p_enabled); }
+	virtual bool is_item_enabled(int p_idx) const { return !pp->is_item_disabled(p_idx); }
+
+	virtual void add_item();
+	virtual int get_item_count() const;
+	virtual void erase(int p_idx);
+
+	ItemListItemListPlugin();
+};
+
+///////////////////////////////////////////////////////////////
+
 class ItemListEditor : public HBoxContainer {
 
 	GDCLASS(ItemListEditor, HBoxContainer);
diff --git a/scene/gui/item_list.cpp b/scene/gui/item_list.cpp
index 2f0c7b9aaf..160b7b151a 100644
--- a/scene/gui/item_list.cpp
+++ b/scene/gui/item_list.cpp
@@ -1223,6 +1223,36 @@ Vector<int> ItemList::get_selected_items() {
 	return selected;
 }
 
+void ItemList::_set_items(const Array &p_items) {
+
+	ERR_FAIL_COND(p_items.size() % 3);
+	clear();
+
+	for (int i = 0; i < p_items.size(); i += 3) {
+
+		String text = p_items[i + 0];
+		Ref<Texture> icon = p_items[i + 1];
+		bool disabled = p_items[i + 2];
+
+		int idx = get_item_count();
+		add_item(text, icon);
+		set_item_disabled(idx, disabled);
+	}
+}
+
+Array ItemList::_get_items() const {
+
+	Array items;
+	for (int i = 0; i < get_item_count(); i++) {
+
+		items.push_back(get_item_text(i));
+		items.push_back(get_item_icon(i));
+		items.push_back(is_item_disabled(i));
+	}
+
+	return items;
+}
+
 void ItemList::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("add_item", "text", "icon:Texture", "selectable"), &ItemList::add_item, DEFVAL(Variant()), DEFVAL(true));
@@ -1302,6 +1332,22 @@ void ItemList::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_scroll_changed"), &ItemList::_scroll_changed);
 	ClassDB::bind_method(D_METHOD("_gui_input"), &ItemList::_gui_input);
 
+	ClassDB::bind_method(D_METHOD("_set_items"), &ItemList::_set_items);
+	ClassDB::bind_method(D_METHOD("_get_items"), &ItemList::_get_items);
+
+	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "items", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "_set_items", "_get_items");
+
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "select_mode", PROPERTY_HINT_ENUM, "Single,Multi"), "set_select_mode", "get_select_mode");
+	ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "allow_rmb_select"), "set_allow_rmb_select", "get_allow_rmb_select");
+	ADD_PROPERTYNO(PropertyInfo(Variant::INT, "max_text_lines"), "set_max_text_lines", "get_max_text_lines");
+	ADD_GROUP("Columns", "");
+	ADD_PROPERTYNO(PropertyInfo(Variant::INT, "max_columns"), "set_max_columns", "get_max_columns");
+	ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "same_column_width"), "set_same_column_width", "is_same_column_width");
+	ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "fixed_column_width"), "set_fixed_column_width", "get_fixed_column_width");
+	ADD_GROUP("Icon", "");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "icon_mode", PROPERTY_HINT_ENUM, "Top,Left"), "set_icon_mode", "get_icon_mode");
+	ADD_PROPERTYNO(PropertyInfo(Variant::REAL, "icon_scale"), "set_icon_scale", "get_icon_scale");
+
 	BIND_CONSTANT(ICON_MODE_TOP);
 	BIND_CONSTANT(ICON_MODE_LEFT);
 	BIND_CONSTANT(SELECT_SINGLE);
diff --git a/scene/gui/item_list.h b/scene/gui/item_list.h
index c7abc2990f..9cb7016b60 100644
--- a/scene/gui/item_list.h
+++ b/scene/gui/item_list.h
@@ -103,6 +103,9 @@ private:
 
 	real_t icon_scale;
 
+	Array _get_items() const;
+	void _set_items(const Array &p_items);
+
 	void _scroll_changed(double);
 	void _gui_input(const Ref<InputEvent> &p_event);